There are 353 Pet Health Services in Nassau County, New York, serving a population of 1,363,069 people in an area of 285 square miles. There is 1 Pet Health Service per 3,861 people, and 1 Pet Health Service per square mile.
In New York, Nassau County is ranked 42nd of 62 counties in Pet Health Services per capita, and 6th of 62 counties in Pet Health Services per square mile.